Home / 343,161.36-514,566.54-143,427.24

Finding the Fourth Proportional to 343,161.36, 514,566.54 and 143,427.24

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Solution

The fourth proportional to 343,161.36, 514,566.54 and 143,427.24 is: 215,067.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,161.36 : 514,566.54 = 143,427.24 : x
  2. Step 2: Convert to fraction form
    343,161.36/514,566.54 = 143,427.24/x
  3. Step 3: Cross multiply
    343,161.36x = 514,566.54 × 143,427.24
  4. Step 4: Simplify right side
    343,161.36x = 73,802,858,628.55
  5. Step 5: Solve for x
    x = 73,802,858,628.55/343,161.36
  6. Step 6: Final answer
    x = 215,067.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.